sigmasternchen/php-doc-en
1
0
Fork 0
mirror of https://github.com/sigmasternchen/php-doc-en synced 2025-03-16 00:48:54 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Some cosmetics.

Browse source 
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@20313 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Egon Schmid 2000-02-24 07:08:58 +00:00
parent ffa28a4690
commit 553de8519c
1 changed files with 24 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
functions/var.xml
View file

@ -51,17 +51,17 @@ print $double_value_of_var; // prints 122.34343
<para>
Returns false if <parameter>var</parameter> is set and has a
non-empty or non-zero value; true otherwise.
<informalexample>
<programlisting role="php">
<informalexample>
<programlisting role="php">
$var = 0;
if ( empty($var) ) { #evaluates true
if (empty($var)) { #evaluates true
print '$var is either 0 or not at all set';
}
if ( !isset($var) ) { // evaluates false
if (!isset($var)) { // evaluates false
print 'The $var is not set at all';
}
</programlisting>
</informalexample>
</programlisting>
</informalexample>
</para>
<simpara>
Note that this is meaningless when used on anything which isn't a
@ -94,12 +94,24 @@ if ( !isset($var) ) { // evaluates false
<para>
Possibles values for the returned string are:
<itemizedlist>
<listitem><simpara>"integer"</simpara></listitem>
<listitem><simpara>"double"</simpara></listitem>
<listitem><simpara>"string"</simpara></listitem>
<listitem><simpara>"array"</simpara></listitem>
<listitem><simpara>"object"</simpara></listitem>
<listitem><simpara>"unknown type"</simpara></listitem>
<listitem>
<simpara>"integer"</simpara>
</listitem>
<listitem>
<simpara>"double"</simpara>
</listitem>
<listitem>
<simpara>"string"</simpara>
</listitem>
<listitem>
<simpara>"array"</simpara>
</listitem>
<listitem>
<simpara>"object"</simpara>
</listitem>
<listitem>
<simpara>"unknown type"</simpara>
</listitem>
</itemizedlist>
</para>
<para>